Fix #271: Update Bootstrap Icons integrity hash (#272)

- Get correct hash value from https://www.srihash.org
- Amends 9d36a6f
- Fixes #271

Signed-off-by: Roger Sheen <roger@infotexture.net>

Author: infotexture

includes/bootstrap.icons.hdf.xml

@@ -1,6 +1,6 @@
 <link
   rel="stylesheet"
   href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.13.1/font/bootstrap-icons.min.css"
-  integrity="sha384-CK2SzKma4jA5H/MXDUU7i1TqZlCFaD4T01vtyDFvPlD97JQyS+IsSh1nI2EFbp"
+  integrity="sha384-CK2SzKma4jA5H/MXDUU7i1TqZlCFaD4T01vtyDFvPlD97JQyS+IsSh1nI2EFbpyk"
   crossorigin="anonymous"
 />